Set up an administrator account to modify or add dashboards by signing in
with username: admin and password: admin.

Before you expose the Grafana UI outside the cluster, make sure to change the
password. You will be prompted to set a password on first login, and it can
later be changed at
http://localhost:3000/org/users.

Prometheus

Although Grafana provides a richer set of graphing functionality, Prometheus can
still be useful for debugging.